King Richard’s birthday turns out to be a day of surprises for the gang. First Djaq is captured when they raid Gisborne’s party at Locksley Manor, then Robin unexpectedly discovers a terrible secret about Gisborne which sends him spiralling out of control. Without Robin as leader, the gang fails to rescue Djaq. They need Robin to choose between helping them save her, and seeking final retribution on his enemy Gisborne.